The basic type size is 10 point. I'm not sure what the 'extract' size is
offhand. Check the colophon (the last printing in the book).


> People ask me about the 2010 autobiography every now and then, and one =
> thing they ask about is the point size. My guess is that the body of the =
> autobiography is 7- or 8-point, and the quoted articles within the text =
> are 6- or 7-point =E2=80=93 that is, the quoted articles are one point =
> smaller than the body, whichever it is. Can somebody here confirm that =
> or give me the correct point sizes?
>
> -- Bob G.


-- 
Benjamin Griffin
Mark Twain Project
The Bancroft Library
University of California, Berkeley